EDUC 386 Lecture Notes - Lecture 6: Distributive Property
Document Summary
Thank you for working hard on the test. There was a setting issue that many of you noticed, but it wasn"t a problem; because we have all of your work. It will take longer to distribute the grades/feedback. Modeling standard algorithms for addition, subtraction, multiplication. 1 group of 10 regroups to 10 groups of 1: place value. ** side note: use as many representations as you can. It is important to remember that some models afford different forms of understanding: you have to be very aware of your students knowledge. Some models may work better for some students than others. 6=1: blocks - base 10 small groups, place value chart small groups. Subtraction (302 - 75: chips, blocks - base 10 prof, you"re going to regroup 1 group of 100 into 10 groups of 10. 302-75 = 227: place value chart prof. You"re going to regroup 1 group of 100 into 10 groups of 10.